Japan's Kei Nishikori returns the ball to Roko Karanusic of Romania at the U.S. Open tennis championship held at the U.S. National Tennis Center on August 28, 2008 in Flushing Meadows, New
Great Britain's Andy Murray celebrates victory over Japan's Kei Nishikori at the Olympic Tennis Centre on the eighth day of the Rio Olympics Games, Brazil Stock Photo - Alamy
French Open: Alexander Zverev beats ailing Kei Nishikori and is in the quarterfinals · tennisnet.com
Men's round-up: Kei Nishikori into last 16 after Benjamin Becker withdraws - Eurosport
Kei Nishikori admits to wanting to win the big titles this season
Miami Open: Stefanos Tsitsipas Tops Kei Nishikori, Andrey Rublev Wins Again But Aslan Karatsev Suffers Rare Loss
For this adidas tennis campaign Adam Pretty shot Japanese tennis stars Kimiko Date and Kei Nishikori in Tokyo. To see more of… | Tennis stars, Tennis, Adidas tennis
Kei Nishikori Photostream | Kei nishikori, Australian open, Billie jean king
Professional Tennis Player Kei Nishikori of Japan Wears Custom Adidas Tennis Shoes during Match at US Open 2016 Editorial Photography - Image of grand, points: 88874397
Kei Nishikori Plays Doubles with Japanese Soccer Star Keisuke Honda
Andy Murray set for showdown with Kei Nishikori, says Mark Petchey | Tennis News | Sky Sports
Andy Murray beats Kei Nishikori to reach Olympic tennis final | Tennis News | Sky Sports
ATP Marseille: Tsonga wins, Nishikori out, Tsitsipas jun. without an order · tennisnet.com
Alexander Zverev, Novak Djokovic and Kei Nishikori make it through at Australian Open | Tennis News | Sky Sports
2021 French Open highlights: Alexander Zverev vs. Kei Nishikori | NBC Sports